<!DOCTYPE html>
<!--
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<html><head>
  <title>Reference: Testing grid item percent sizes</title>
  <link rel="author" title="Mats Palmgren" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1330380">
  <meta charset="utf-8">
  <style type="text/css">
body,html { color:black; background:white; font:16px/1 monospace; padding:0; margin:0; }
* { vertical-align:top; line-height:4px; }

.grid {
  display: grid;
  position: relative;
  float: left;
  background-color: grey;
  grid-template-columns: 50px 100px;
  justify-items: start;
  align-items: start;
  clear: both;
}

.item {
  background: pink;
  grid-area: 1 / 1 / 2 / 2;
  background-clip: content-box;
  min-width: 0;
  min-height: 0;
  z-index: 1;
}
.c1 {
  width: 60px;
  height: 60%;
  grid-area: 1 / 1 / 3 / 3;
}
.c2 {
  grid-area: 1 / 1 / 3 / 3;
}
.pbox {
  box-sizing: border-box;
}

.maxw .item { max-width: 25px; }
.minw .item { min-width: 25px; }
.maxw .c1.item { max-width: 75px; }
.minw .c1.item { min-width: 75px; }
.maxw .c2.item { max-width: 75px; }
.minw .c2.item { min-width: 75px; }

.p { padding:3px 5px 10% 10px; }
.c1.p, .c2.p { padding:3px 5px 10% 30px; }
.m { margin:3px 5px 10% 5px; }
.c1.m, .c2.m { margin:3px 5px 10% 15px; }
.b { border:solid black; }

x { display:inline-block; width:10px; height:4px; background: silver; }

a {
  grid-area: 1 / 1 / 2 / 2;
  width:100%; height:100%;
  background: blue;
}
</style>
</head>
<body>

<div style="float:left">
<div class="grid" style="grid-template-rows:calc(4px)"><div class="item"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:calc(7px/.9)"><div class="item pbox p"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(7px/.9)"><div class="item c1 p"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(11px/.9)"><div class="item c1 pbox p"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(7px/.9)"><div class="item c2 pbox p"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:calc(10px)"><div class="item pbox b"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:calc(17px/.9)"><div class="item pbox p b"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(21px/.9)"><div class="item c1 pbox p b"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(13px/.9)"><div class="item c2 pbox p b"><x></x><x></x><x></x></div><a></a></div>
</div>

<div style="float:left" class="maxw">
<div class="grid" style="grid-template-rows:calc(8px)"><div class="item"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:calc(15px/.9)"><div class="item pbox p"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(7px/.9)"><div class="item c1 p"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(11px/.9)"><div class="item c1 pbox p"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(7px/.9)"><div class="item c2 pbox p"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:calc(18px)"><div class="item pbox b"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:calc(21px/.9)"><div class="item pbox p b"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(21px/.9)"><div class="item c1 pbox p b"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(13px/.9)"><div class="item c2 pbox p b"><x></x><x></x><x></x></div><a></a></div>
</div>

<div style="float:left" class="minw">
<div class="grid" style="grid-template-rows:calc(4px)"><div class="item"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:calc(7px/.9)"><div class="item pbox p"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(7px/.9)"><div class="item c1 p"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(7px/.9)"><div class="item c1 pbox p"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(7px/.9)"><div class="item c2 pbox p"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:calc(10px)"><div class="item pbox b"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:calc(17px/.9)"><div class="item pbox p b"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(13px/.9)"><div class="item c1 pbox p b"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(13px/.9)"><div class="item c2 pbox p b"><x></x><x></x><x></x></div><a></a></div>
</div>

<div style="float:left">
<div class="grid" style="grid-template-rows:calc(7px/.9)"><div class="item pbox m"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(7px/.9)"><div class="item c1 pbox m"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(7px/.9)"><div class="item c2 pbox m"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:calc(17.5px)"><div class="item pbox p m"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:calc(30px)"><div class="item pbox p b m"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(20px)"><div class="item c2 pbox p b m"><x></x><x></x><x></x></div><a></a></div>
</div>

<br clear="all">

<div style="float:left" class="maxw">
<div class="grid" style="grid-template-rows:calc(11px/.9)"><div class="item pbox m"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(7px/.9)"><div class="item c1 pbox m"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(7px/.9)"><div class="item c2 pbox m"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:calc(22.5px)"><div class="item pbox p m"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:calc(30px)"><div class="item pbox p b m"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(20px)"><div class="item c2 pbox p b m"><x></x><x></x><x></x></div><a></a></div>
</div>

<div style="float:left" class="minw">
<div class="grid" style="grid-template-rows:calc(7px/.9)"><div class="item pbox m"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(7px/.9)"><div class="item c1 pbox m"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(7px/.9)"><div class="item c2 pbox m"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:calc(17.5px)"><div class="item pbox p m"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:calc(30px)"><div class="item pbox p b m"><x></x><x></x><x></x></div><a></a></div>
<div class="grid" style="grid-template-rows:0 calc(20px)"><div class="item c2 pbox p b m"><x></x><x></x><x></x></div><a></a></div>
</div>


</body>
</html>
